CVE-2016-2178

原文の説明

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

影響を受けるソフトウェア

• OpenSSL = 1.0.1j= 1.0.1q= 1.0.1= 1.0.2= 1.0.2d= 1.0.2c 完全一致

詳細

公開日

2016-06-20

最終更新

2026-06-17

CVSS ベクター

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-203

参考資料

• cve.org/CVE-2016-2178
• nvd.nist.gov/vuln/detail/CVE-2016-2178
• eprint.iacr.org/2016/594.pdf
• kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
• lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
• lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
• lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
• lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
• lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html